Robot vacuum



FIG. 1 is a rear, top, left perspective view of a robot vacuum, showing a new design;

FIG. 2 is a rear, top, right perspective view thereof;

FIG. 3 is a front, top, right perspective view thereof;

FIG. 4 is a front, top, left perspective view thereof;

FIG. 5 a rear, bottom, left perspective view of a robot vacuum, showing a new design;

FIG. 6 is a rear, bottom, right perspective view thereof;

FIG. 7 is a front, bottom, right perspective view thereof;

FIG. 8 is a front, bottom, left perspective view thereof;

FIG. 9 is a top view thereof.

FIG. 10 is a bottom view thereof.

FIG. 11 is a rear view thereof;

FIG. 12 is a front view thereof;

FIG. 13 is a right view thereof; and,

FIG. 14 is a left view thereof.

Broken lines in the drawings are for the purpose of illustrating portions of the battery pack that form no part of the claimed design. 

CLAIM I claim the ornamental design for a robot vacuum, as shown and described. 